| Project/Area Number |
17K05033
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Applied materials
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| Research Institution | Nara Institute of Science and Technology |
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Principal Investigator |
JUNG MINCHERL 奈良先端科学技術大学院大学, 先端科学技術研究科, 特任助教 (40632071)
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| Project Period (FY) |
2017-04-01 – 2020-03-31
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| Project Status |
Completed (Fiscal Year 2019)
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| Budget Amount *help |
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2019: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2018: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2017: ¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
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| Keywords | Hybrid perovskite / Defect / Phonon mode / Electronic structure / Surface and interface / hybrid perovskite / thin film / THz-wave absorption / phonon mode / interface / intermixed state / Pb-I vibration mode / Defects / OHP / Chemical state / Atomic structure / Surface defect structure / Chemical instability / Material instability / 高効率太陽光発電材料・素子 / 複合材料・物性 / 表面・界面物性 / 格子欠陥 / 化学物理 |
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| Outline of Final Research Achievements |
From this KAKENHI, we performed studying defect structure and its effect in organic-inorganic hybrid perovskite materials. We confirmed the defect structure made a new physical property in THz range because of its unique phonon modes and it could make a new THz-based application using organic-inorganic hybrid perovskite thin film.
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| Academic Significance and Societal Importance of the Research Achievements |
This study provides important information for conducting atomic/chemical studies of the defect structure of organic-inorganic hybrid perovskite. - Unique study in terms of its surface instability, the change in phonon mode due to defect structure, and the possibility of new terahertz-based devices.
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